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Loa chống cháy nổ 15W TP-M15D

Rated Input15WRated Impedance670 Ω (15 W), 1 kΩ (10 W), 2 kΩ (5 W)CategoryeG4 (Increased safety explosion-proof)Độ nhạy104 dB (1 W, 1 m)Dải tần350Hz - 4,5kHzStandard Environmental Condition                          Temperature: -20 ℃ to +40 ℃Elevation: 1 km or lessRelative humidity: 45 % to 85 %Others: Dust, corrosive gas or vib..